GB2553465B - Shimming coils for magnetic resonance imaging - Google Patents
Shimming coils for magnetic resonance imaging Download PDFInfo
- Publication number
- GB2553465B GB2553465B GB1717753.6A GB201717753A GB2553465B GB 2553465 B GB2553465 B GB 2553465B GB 201717753 A GB201717753 A GB 201717753A GB 2553465 B GB2553465 B GB 2553465B
- Authority
- GB
- United Kingdom
- Prior art keywords
- magnetic resonance
- resonance imaging
- shimming coils
- shimming
- coils
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/387—Compensation of inhomogeneities
- G01R33/3875—Compensation of inhomogeneities using correction coil assemblies, e.g. active shimming
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
- G01R33/48—NMR imaging systems
- G01R33/54—Signal processing systems, e.g. using pulse sequences ; Generation or control of pulse sequences; Operator console
- G01R33/543—Control of the operation of the MR system, e.g. setting of acquisition parameters prior to or during MR data acquisition, dynamic shimming, use of one or more scout images for scan plane prescription
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- High Energy & Nuclear Physics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2015/052628 WO2016162734A1 (en) | 2015-04-10 | 2015-04-10 | Shimming coils for magnetic resonance imaging |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201717753D0 GB201717753D0 (en) | 2017-12-13 |
GB2553465A GB2553465A (en) | 2018-03-07 |
GB2553465B true GB2553465B (en) | 2021-06-09 |
Family
ID=57072043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1717753.6A Active GB2553465B (en) | 2015-04-10 | 2015-04-10 | Shimming coils for magnetic resonance imaging |
Country Status (7)
Country | Link |
---|---|
US (2) | US10551454B2 (en) |
JP (1) | JP6647314B2 (en) |
CN (1) | CN107533119B (en) |
CA (1) | CA2981658C (en) |
DE (1) | DE112015006439T5 (en) |
GB (1) | GB2553465B (en) |
WO (1) | WO2016162734A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2981658C (en) | 2015-04-10 | 2021-02-09 | Synaptive Medical (Barbados) Inc. | Shimming coils for magnetic resonance imaging |
CN116087849B (en) * | 2023-02-28 | 2023-11-17 | 江苏力磁医疗设备有限公司 | Gradient coil special for MRI |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5760582A (en) * | 1992-07-23 | 1998-06-02 | Fonar Corporation | Optimized gradient coils and shim coils for magnetic resonance scanning systems |
US6507190B1 (en) * | 2000-08-01 | 2003-01-14 | Ge Medical Systems Global Technologies Company Llc | Method and apparatus for compensating polarizing fields in magnetic resonance imaging |
US20080084262A1 (en) * | 2006-10-10 | 2008-04-10 | Paul Beasley | Shimming of magnet systems |
US20080164878A1 (en) * | 2005-03-17 | 2008-07-10 | Koninklijke Philips Electronics N. V. | Minimum Energy Shim Coils For Magnetic Resonance |
US7592812B2 (en) * | 2006-04-13 | 2009-09-22 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus and static magnetic field correction method |
US20110163749A1 (en) * | 2008-09-17 | 2011-07-07 | Koninklijke Philips Electronics N.V. | Rf shimming with rf power regularization using a multi-channel rf transmit system for mri |
US20120092014A1 (en) * | 2010-10-15 | 2012-04-19 | Eleazar Castillo | Shimming device and method to improve magnetic field homogeneity in magnetic resonance imaging devices |
US20120274326A1 (en) * | 2011-04-26 | 2012-11-01 | General Electric Company | Method and apparatus for imaging a patient using local shim coils |
US20140225613A1 (en) * | 2011-07-20 | 2014-08-14 | Koninklijke Philips N.V. | Wireless local transmit coils and array with controllable load |
US20140333306A1 (en) * | 2011-12-23 | 2014-11-13 | Koninklijke Philips N.V. | Use of gradient coils for correcting higher order bo field inhomogeneities in mr imaging |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0295288A (en) * | 1988-09-30 | 1990-04-06 | Shimadzu Corp | Automatic magnetic field shimming device |
US6023167A (en) * | 1998-01-26 | 2000-02-08 | Picker International, Inc. | Surface coils with integrated shims |
US6218838B1 (en) * | 1998-08-28 | 2001-04-17 | Picker International, Inc. | MRI magnet with high homogeneity, patient access, and low forces on the driver coils |
DE10114319C2 (en) * | 2001-03-23 | 2003-02-13 | Siemens Ag | Shim device for a magnetic resonance device |
US20050154291A1 (en) * | 2003-09-19 | 2005-07-14 | Lei Zhao | Method of using a small MRI scanner |
JP2007529256A (en) | 2004-03-17 | 2007-10-25 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Dynamic shim set calibration method and apparatus for B0 offset |
US7224167B2 (en) * | 2004-11-30 | 2007-05-29 | General Electric Company | Magnetic field generating apparatus and method for magnetic resonance imaging |
EP1808707A1 (en) * | 2006-01-16 | 2007-07-18 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus and static magnetic field correction method |
GB2448479B (en) * | 2007-04-18 | 2009-06-03 | Siemens Magnet Technology Ltd | Improved shim for imaging magnets |
US7753165B2 (en) * | 2007-12-21 | 2010-07-13 | Robert Bosch Gmbh | Device and method for active noise cancellation in exhaust gas channel of a combustion engine |
CN102349830B (en) * | 2008-06-26 | 2013-08-14 | 株式会社东芝 | Magnetic resonance imaging device and magnetic resonance imaging method |
EP2230530A1 (en) * | 2009-03-20 | 2010-09-22 | Koninklijke Philips Electronics N.V. | A tesseral shim coil for a magnetic resonance system |
CN101995560B (en) | 2009-08-31 | 2013-11-06 | 西门子(深圳)磁共振有限公司 | Method and device for compensating insufficient magnetic field uniformity |
JP5603642B2 (en) * | 2010-04-27 | 2014-10-08 | 株式会社日立メディコ | Magnetic resonance imaging apparatus and shimming method |
DE102011077724A1 (en) * | 2011-06-17 | 2012-12-20 | Siemens Aktiengesellschaft | Local shim coil within a local coil, as local BO homogenization in an MRI |
DE102011080275B4 (en) | 2011-08-02 | 2018-10-25 | Siemens Healthcare Gmbh | Local coil, in particular neck coil, with a number of separately switchable local coil shim coils |
DE102011086658B3 (en) | 2011-11-18 | 2013-03-28 | Siemens Aktiengesellschaft | Shim coil device for use in local coil of magnetic resonance apparatus, has shim coil and compensation coil arranged in coil plane, where overall assembly of shim coil and compensation coil is symmetrical with respect to two central axes |
US8981779B2 (en) * | 2011-12-13 | 2015-03-17 | Viewray Incorporated | Active resistive shimming fro MRI devices |
US9678184B2 (en) | 2012-01-11 | 2017-06-13 | Hitachi, Ltd. | Method for increment of RF-phase based on static magnetic field inhomogeneity in MRI apparatus |
KR101424552B1 (en) * | 2012-09-05 | 2014-07-31 | 삼성전자 주식회사 | Magnetic resonance imaging device and manufacturing method thereof |
CN102879753B (en) * | 2012-10-11 | 2015-04-08 | 中国科学院近代物理研究所 | Automatic implementation method for high-uniformity magnet shim coil design |
DE102015204955B4 (en) | 2015-03-19 | 2019-05-16 | Siemens Healthcare Gmbh | Method for magnetic resonance imaging |
CA2981658C (en) | 2015-04-10 | 2021-02-09 | Synaptive Medical (Barbados) Inc. | Shimming coils for magnetic resonance imaging |
-
2015
- 2015-04-10 CA CA2981658A patent/CA2981658C/en active Active
- 2015-04-10 WO PCT/IB2015/052628 patent/WO2016162734A1/en active Application Filing
- 2015-04-10 JP JP2017552976A patent/JP6647314B2/en active Active
- 2015-04-10 DE DE112015006439.7T patent/DE112015006439T5/en active Pending
- 2015-04-10 US US15/546,393 patent/US10551454B2/en active Active
- 2015-04-10 GB GB1717753.6A patent/GB2553465B/en active Active
- 2015-04-10 CN CN201580078692.4A patent/CN107533119B/en active Active
-
2020
- 2020-01-27 US US16/773,532 patent/US11237235B2/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5760582A (en) * | 1992-07-23 | 1998-06-02 | Fonar Corporation | Optimized gradient coils and shim coils for magnetic resonance scanning systems |
US6507190B1 (en) * | 2000-08-01 | 2003-01-14 | Ge Medical Systems Global Technologies Company Llc | Method and apparatus for compensating polarizing fields in magnetic resonance imaging |
US20080164878A1 (en) * | 2005-03-17 | 2008-07-10 | Koninklijke Philips Electronics N. V. | Minimum Energy Shim Coils For Magnetic Resonance |
US7592812B2 (en) * | 2006-04-13 | 2009-09-22 | Kabushiki Kaisha Toshiba | Magnetic resonance imaging apparatus and static magnetic field correction method |
US20080084262A1 (en) * | 2006-10-10 | 2008-04-10 | Paul Beasley | Shimming of magnet systems |
US20110163749A1 (en) * | 2008-09-17 | 2011-07-07 | Koninklijke Philips Electronics N.V. | Rf shimming with rf power regularization using a multi-channel rf transmit system for mri |
US20120092014A1 (en) * | 2010-10-15 | 2012-04-19 | Eleazar Castillo | Shimming device and method to improve magnetic field homogeneity in magnetic resonance imaging devices |
US20120274326A1 (en) * | 2011-04-26 | 2012-11-01 | General Electric Company | Method and apparatus for imaging a patient using local shim coils |
US20140225613A1 (en) * | 2011-07-20 | 2014-08-14 | Koninklijke Philips N.V. | Wireless local transmit coils and array with controllable load |
US20140333306A1 (en) * | 2011-12-23 | 2014-11-13 | Koninklijke Philips N.V. | Use of gradient coils for correcting higher order bo field inhomogeneities in mr imaging |
Also Published As
Publication number | Publication date |
---|---|
JP6647314B2 (en) | 2020-02-14 |
US10551454B2 (en) | 2020-02-04 |
CN107533119B (en) | 2020-07-28 |
GB201717753D0 (en) | 2017-12-13 |
CN107533119A (en) | 2018-01-02 |
GB2553465A (en) | 2018-03-07 |
US20180024212A1 (en) | 2018-01-25 |
CA2981658C (en) | 2021-02-09 |
US20200400765A1 (en) | 2020-12-24 |
US11237235B2 (en) | 2022-02-01 |
WO2016162734A1 (en) | 2016-10-13 |
CA2981658A1 (en) | 2016-10-13 |
DE112015006439T5 (en) | 2017-12-28 |
JP2018510730A (en) | 2018-04-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20210121 AND 20210127 |